Thieno[3,2-<i>b</i>]pyrrole-5-carboxamides as New Reversible Inhibitors of Histone Lysine Demethylase KDM1A/LSD1. Part 1: High-Throughput Screening and Preliminary Exploration
作者:Luca Sartori、Ciro Mercurio、Federica Amigoni、Anna Cappa、Giovanni Fagá、Raimondo Fattori、Elena Legnaghi、Giuseppe Ciossani、Andrea Mattevi、Giuseppe Meroni、Loris Moretti、Valentina Cecatiello、Sebastiano Pasqualato、Alessia Romussi、Florian Thaler、Paolo Trifiró、Manuela Villa、Stefania Vultaggio、Oronza A. Botrugno、Paola Dessanti、Saverio Minucci、Elisa Zagarrí、Daniele Carettoni、Lucia Iuzzolino、Mario Varasi、Paola Vianello
DOI:10.1021/acs.jmedchem.6b01018
日期:2017.3.9
increasingly recognized as a potential therapeutic target in oncology. We report on a high-throughput screening campaign performed on KDM1A/CoREST, using a time-resolved fluorescence resonance energy transfer (TR-FRET) technology, to identify reversible inhibitors. The screening led to 115 hits for which we determined biochemical IC50, thus identifying four chemical series. After data analysis, we have
赖氨酸特异性脱甲基酶1 KDM1A(LSD1)调节组蛋白甲基化,并日益被认为是肿瘤学中潜在的治疗靶标。我们报告了使用时间分辨荧光共振能量转移(TR-FRET)技术在KDM1A / CoREST上进行的高通量筛选活动,以鉴定可逆抑制剂。筛选导致115个结果,我们确定了它们的生化IC 50,从而确定了四个化学系列。经过数据分析,我们确定了N-苯基-4 H-噻吩并[3,2- b ]吡咯-5-羧酰胺的化学系列的优先级,为此,我们获得了最有力的X射线结构(化合物19,IC 50= 2.9μM)与酶复合。该化学类别的最初扩展,包括修饰核心结构和修饰苯甲酰胺部分,都指向负责与酶相互作用的部分的定义。初步优化产生了化合物90,该化合物具有亚微摩尔IC 50(0.162μM)抑制酶,能够抑制细胞中的靶标。